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Proceedings Paper

Optical tomography of phase objects with parallel projection differences and ESPI
Author(s): Cruz Meneses-Fabian; Gustavo Rodriguez-Zurita; Jose F. Vazquez-Castillo
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Paper Abstract

An experimental tomographic set-up whose intention is to render phase-distributions slices of transparent objects is presented. It consists of a Mach-Zehnder interferometer and an ESPI system. In one of the interferometer arms, the object under study is placed on a rotatable stage driven by a stepping motor controlled by a PC-computer. Adjacent parallel projections at angles separated by a small amount are used to extract their corresponding phase difference. Well-known reconstruction procedures are used to render an image, which can be related to the angular derivative of the slice. This image enhances the borders of the object's phase distribution. Simulations and preliminary experimental results are shown.

Paper Details

Date Published: 19 November 2003
PDF: 2 pages
Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.523998
Show Author Affiliations
Cruz Meneses-Fabian, Benemerita Univ. Autonoma de Puebla (Mexico)
Gustavo Rodriguez-Zurita, Benemerita Univ. Autonoma de Puebla (Mexico)
Jose F. Vazquez-Castillo, Benemerita Univ. Autonoma de Puebla (Mexico)


Published in SPIE Proceedings Vol. 4829:
19th Congress of the International Commission for Optics: Optics for the Quality of Life

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